
AirPlay is a proprietary protocol stack/suite developed by Apple Inc. that allows wireless streaming between devices of audio, video, device screens, and photos, together with related metadata. Originally implemented only in Apple's software and devices, it was called AirTunes and used for audio only. Apple has since licensed the AirPlay protocol stack as a third-party software component technology to manufacturers that build products compatible with Apple's devices.

BladeSystem is a line of blade server machines from Hewlett Packard Enterprise that was introduced in June 2006.

Flickr is an American image hosting and video hosting service, as well as an online community. It was created by Ludicorp in 2004 and is a popular way for amateur and professional photographers to host high-resolution photos. It has changed ownership several times and has been owned by SmugMug since April 20, 2018.

G-Technology is a brand of Western Digital that produces external storage products designed and marketed for the Macintosh, creative pro, photography and A/V markets. Its USB, FireWire, eSATA, SAS, SCSI Thunderbolt, and Fibre Channel systems support all levels of audio/video production.

The GeForce 6 Series is Nvidia's sixth generation of GeForce graphic processing units. Launched on April 14, 2004, the GeForce 6 family introduced PureVideo post-processing for video, SLI technology, and Shader Model 3.0 support.

Gmail is a free email service developed by Google. Users can access Gmail on the web and using third-party programs that synchronize email content through POP or IMAP protocols. Gmail started as a limited beta release on April 1, 2004 and ended its testing phase on July 7, 2009. By October 2019, Gmail had 1.5 billion active users worldwide.

Google Books is a service from Google Inc. that searches the full text of books and magazines that Google has scanned, converted to text using optical character recognition (OCR), and stored in its digital database. Books are provided either by publishers and authors through the Google Books Partner Program, or by Google's library partners through the Library Project. Additionally, Google has partnered with a number of magazine publishers to digitize their archives.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents. While Google does not publish the size of Google Scholar's database, scientometric researchers estimated it to contain roughly 389 million documents including articles, citations and patents making it the world's largest academic search engine in January 2018. Previously, the size was estimated at 160 million documents as of May 2014. An earlier statistical estimate published in PLOS ONE using a Mark and recapture method estimated approximately 80–90% coverage of all articles published in English with an estimate of 100 million. This estimate also determined how many documents were freely available on the web.

The iMac G5 is an all-in-one personal computer that was designed, manufactured and sold by Apple Computer, Inc. from August 2004 to March 2006. It is the final iMac to use a PowerPC processor, making it the last model that could natively run Mac OS 9 (Classic) applications. It was replaced in January 2006 by the Intel-based iMac, which retained the features, price, and case design of the iMac G5.

The iPod Mini is a discontinued, smaller digital audio player that was designed and marketed by Apple Inc. While it was sold, it was the midrange model in Apple's iPod product line. It was announced on January 6, 2004 and released on February 20 of the same year. A second generation version was announced on February 23, 2005 and released immediately. While it was in production, it was one of the most popular electronic products on the market, with consumers often unable to find a retailer with the product in stock. The iPod Mini was discontinued on September 7, 2005 and was replaced by the iPod Nano.

Markdown is a lightweight markup language with plain-text-formatting syntax, created in 2004 by John Gruber and Aaron Swartz. Markdown is often used for formatting readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor.

Microsoft PlaysForSure was a certification given by Microsoft to portable devices and content services that had been tested against several hundred compatibility and performance requirements. These requirements include codec support, Digital rights management support, UI responsiveness, device performance, compatibility with Windows Media Player, synchronization performance, and so on. PlaysForSure certification was available for portable media players, network-attached digital media receivers, and media-enabled mobile phones. The PlaysForSure logo was applied to device packaging as well as to online music stores and online video stores.
The Motorola Razr was a series of mobile phones by Motorola, part of the 4LTR line. The V3 was the first phone released in the series and was introduced in July 2004 and released in the market in the third quarter of 2004. The V3 model was followed soon thereafter by the improved V3i, including a collaboration with Apple Inc. for iTunes to be built-in. It was launched in 2005.

.onion is a special-use top level domain name designating an anonymous onion service, which was formerly known as a "hidden service", reachable via the Tor network. Such addresses are not actual DNS names, and the .onion TLD is not in the Internet DNS root, but with the appropriate proxy software installed, Internet programs such as web browsers can access sites with .onion addresses by sending the request through the Tor network.

PCI Express, officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common motherboard interface for personal computers' graphics cards, hard disk drive host adapters, SSDs, Wi-Fi and Ethernet hardware connections. PCIe has numerous improvements over the older standards, including higher maximum system bus throughput, lower I/O pin count and smaller physical footprint, better performance scaling for bus devices, a more detailed error detection and reporting mechanism, and native hot-swap functionality. More recent revisions of the PCIe standard provide hardware support for I/O virtualization.

The domain name pro is a generic top-level domain in the Domain Name System of the Internet. Its name is derived from professional, indicating its intended use by certified professionals.

The Ren'Py Visual Novel Engine is a free software engine which facilitates the creation of visual novels, a form of computer-mediated storytelling. Ren'Py is a portmanteau of ren'ai (恋愛), the Japanese word for 'romantic love', a common element of games made using Ren'Py; and Python, the programming language that Ren'Py runs on. Ren'Py has proved attractive to English-language hobbyists; many games use the Ren'Py engine, nearly all in English.

Stuff by Hilary Duff was a clothing line launched by Hollywood star Hilary Duff in March 2004, with clothes distributed through Target in the United States, Kmart and Target in Australia, Hudson's Bay Company in Canada, and Edgar's in South Africa.

Wapedia was a mobile version of Wikipedia. It was started in August 2004 by Florian Amrhein and shut down on 4 November 2013. It was operated by Taptu.

Wirehog was a friend-to-friend file sharing program that was linked to Facebook and allowed people to transfer files directly between computers.
Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and other low-power low-bandwidth needs, designed for small scale projects which need wireless connection. Hence, Zigbee is a low-power, low data rate, and close proximity wireless ad hoc network.